... , Rotary Engineering, Petrol Steel, CNPC, SINOPEC, CNOOC, CNCEC, etc.Automatic small pipe welding station consists of welding manipulator, elbow welding ... positioner and pipe support device. It is able to realize automatic pipe welding completely.Features: 1Automatic root pass, fill, and ... MIG technology.6More than 99% qualified first X-ray test. Heavy--duty Automatic Welding Equipment (PLC control)